CCKH 1.3

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Drifting Continents 1.3


Vocabulary:

Pangaea: Meaning all lands, or all the Continents together
Continental Drift: The moving of the separation of the Continents
Fossil: Any trace of an ancient organism that has been preserved in a rock.

Outline:

  • Intro

    • Africa and South America look like jigsaw pieces that can fit together

  • The theory of Continental Drift

    • Wegener's hypothesis was that all the continents had once been together in a single landmass and have since drifted apart
      • supercontinent Pangaea
      • continental drift
    • Evidence from Landforms
      • mountain ranges found in different continents the same
    • Evidece from Fossils
      • fossils
    • Evidence from Climate
      • climate change

  • Scientists reject Wegner's Theory

    • Unfortunatly Wegner couldn't provide a satisfactory explaination that pushes or pulls the continents